Studio Ghibli's The Secret World of Arrietty earned as estimated US$6,400,000 in its opening weekend in the United States to land at number nine on the box office chart. The film opened in 1,522 theaters, and has an estimated per-screen average of US$4,205.

After its first weekend, Arrietty is the eighth highest grossing theatrical anime release in the United States.

The numbers have since been updated to reflect the four-day President's Day holiday weekend. When all was said and done, Arrietty grossed US$8,102,000, and came in at number eight for the four-day weekend.

The Box Office Mojo website reported that <i>The Secret World of Arrietty</i> earned an estimated US$4,503,000 in the U.S. during the February 24-26 weekend. In its second week at the box office, Arrietty falls one spot to number ten. The film, which is showing in 1,522 theaters, had an estimated per-screen average of US$2,959; ticket sales also dropped about 30% from the first weekend.

With a current estimated total gross of US$14,660,000, Arrietty is the sixth highest grossing theatrical anime release in the United States.

The Box Office Mojo website has reported that The Secret World of Arrietty earned US$186,421 on Thursday, March 1, 2012 to give the film a gross-to-date total of US$15,268,380. This pushes Arrietty's box office totals past Ponyo's US$15,090,399.

The Secret World of Arrietty is now the highest-grossing Studio Ghibli film in the United States, and it ranks as the fifth highest-grossing anime film in the United States.

The Box Office Mojo website also reported that Arrietty earned an estimated US$1,455,000 during the March 2-4, 2012 weekend.

During its third weekend in theaters, the film fell to #14 at the box office, its theater count dropped by 91 to 1,431 and the film had a per-screen average of US$1,017. Ticket sales also fell 66.6% from the second weekend.

Arrietty is now within US$400,000 of Pokemon 3 - The Movie, which is the fourth highest-grossing anime film in the United States.

The Box Office Mojo website is reporting that The Secret World of Arrietty has earned US $106,361 on Thursday, March 8, 2012, which brings the film's gross-to-date total to US$17,155,268. This gross now pushes Arrietty past the box office total for Pokemon 3 - The Movie (which grossed US$17,052,128 in 2001).

The Secret World of Arrietty is now the fourth highest-grossing anime film in the United States.

On March 11, The Box Office Mojo website reported that Arrietty earned an estimated US$402,000 during the March 9-11 weekend; during its fourth weekend in American theaters, the film fell from #14 to out of the top 20 at the box office. Arrietty's theater count dropped by 930 to just 501 remaining screens, and the film had a per-screen average of US$802. Ticket sales fell 72.9% from the third weekend.

The Box Office Mojo reported that The Secret World of Arrietty earned an estimated US$233,000 during the March 16-18 weekend. Arrietty's theater count dropped by 197 as 304 theaters continue to screen the film. The film had a per-screen average of US$766, and ticket sales fell 44.2% from the fourth weekend.

With a current gross of US$18,011,000, Arrietty remains the fourth highest grossing theatrical anime release in the United States.

The Box Office Mojo website reported that The Secret World of Arrietty earned an estimated US$140,000 during the March 23-25 weekend. The film's theater count dropped by 75 as 229 theaters continued to screen the movie, and the film had a per-screen average of US$611. Ticket sales fell 42.0% from the fifth weekend.

With a total gross of US$18,247,000, The Secret World of Arrietty is still the fourth highest grossing theatrical anime release in the United States.